Tuba HT

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#2
Naca5,

If well built, and the driver is in proper working order, output from a large horn sub can be impressive.

If poorly built, you might spend more time chasing down rattles and leaks than building from scratch.

Test carefully with sine waves, listening for problems before purchase.
 
#4
That tuba is a a classic folded horn, more suitable for pa applicaitons. This kind of horns need space to work, so not fit for the average listening room/living room as the space is to small and the bass will be mainly for the neighbors, not for you.

Better is to use a design that is what they call short throw, like a direct radiator, TL (and variation) or a tapped horn.
 
#6
Tuba HT is designed to work in cooperation with the room placement, thus it has only small mouth. So it is not very good for pa-applications in open spaces. Corner placement will act as a required horn extension for tuba HT.

PA horn subwoofers has much larger mouth as they need to work independently, yet they still need several horns (usually 4 or more) stacked together for enough combined mouth area.

Horn lenght together with mouth area defines the lower frequency response limit.
 
#7
I have built and used its smaller sibling, the Table Tuba, for a long time (>10 years) and I find it quite adequate for living room use. Placement is a bit of an issue though, as it is with any subwoofer. This thing however is capable of producing 24Hz with quite a lot of energy, but only at 10 or so meters away in the corner of the kitchen 😛. Not bad for a 10" sub 😉
 
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